19860900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 57912960

約数和(自身を除く): 38052060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 239, 277, 300, 478, 554, 717, 831, 956, 1108, 1195, 1385, 1434, 1662, 2390, 2770, 2868, 3324, 3585, 4155, 4780, 5540, 5975, 6925, 7170, 8310, 11950, 13850, 14340, 16620, 17925, 20775, 23900, 27700, 35850, 41550, 66203, 71700, 83100, 132406, 198609, 264812, 331015, 397218, 662030, 794436, 993045, 1324060, 1655075, 1986090, 3310150, 3972180, 4965225, 6620300, 9930450, 19860900]

約数ペア:

[(1, 19860900), (2, 9930450), (3, 6620300), (4, 4965225), (5, 3972180), (6, 3310150), (10, 1986090), (12, 1655075), (15, 1324060), (20, 993045), (25, 794436), (30, 662030), (50, 397218), (60, 331015), (75, 264812), (100, 198609), (150, 132406), (239, 83100), (277, 71700), (300, 66203), (478, 41550), (554, 35850), (717, 27700), (831, 23900), (956, 20775), (1108, 17925), (1195, 16620), (1385, 14340), (1434, 13850), (1662, 11950), (2390, 8310), (2770, 7170), (2868, 6925), (3324, 5975), (3585, 5540), (4155, 4780)]